Tests:ObjectInheritingFromATrait test enhanced, ObjectInheritingFromClass test added.

js/js.tests/test/org/jetbrains/k2js/test/semantics/ObjectTest.java

@@ -53,4 +53,7 @@ public final class ObjectTest extends SingleFileTranslationTest {
         fooBoxTest();
     }
 
+    public void testObjectInheritingFromClass() throws Exception {
+        fooBoxTest();
+    }
 }

js/js.translator/testFiles/object/cases/objectInheritingFromATrait.kt

@@ -1,13 +1,25 @@
 package foo
 
 trait Foo {
-    fun f() : Boolean
+    fun execute(handler: ()->Unit) {
+        execute(false, handler)
+    }
+
+    fun execute(onlyIfAttached: Boolean, handler: ()->Unit)
 }
 
 object foo : Foo {
-    override fun f() = true
+    override fun execute(onlyIfAttached: Boolean, handler: ()->Unit) {
+        handler()
+    }
 }
 
-fun box() : Boolean {
+private var result = false
-    return foo.f()
+
+fun box(): Boolean {
+    foo.execute() {
+        result = true
+    }
+
+    return result
 }

js/js.translator/testFiles/object/cases/objectInheritingFromClass.kt

@@ -0,0 +1,9 @@
+package foo
+
+abstract class A(val s:String) {
+}
+
+object B : A("test") {
+}
+
+fun box() = B.s == "test"